Self-leveling table and chair.



J. H JACOB. SELF LEVELING TABLE AND CHAIR. APPLICATION FILED MAR. 20, 1911. igo, y Patented Jan. 16,1912.

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f e fk5/51772K J. H. JACOB. SELF LBVBLING TABLBAND CHAIR.

APPLICATION FILED MAR. 20, 1911.

Patented Jan. 16, 191'2.v

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Loiseau V which can be used on vessels and other con- Fig. a perspective view of the standard veyances and which will-at all times maintain the tables' and chairs level' and` in their proper relative position with respect to each other.

, Other objects and advantages of my inf vention will appear in the 'course of the following specification. 1

' In Vie cconipany-ing drawings: Figurel is a site Vievation, partly in section, of a table and chairs therefor constructed and arranged in accordance with my invention'.`

Fig. 2 is a perspective view of the stand em-l ployed. to support 'the table and chairs.

and weight employed` tov maintain the 'table and chairs level; Fig. ft isla perspective view of the plate connected to the underside of the'table, together-with the/end portions of the chair supporting beams which. are supported therefrom. Fig; 5 is a plan Vview of the collar and 'the end portions' of the chair beams connected thereto, together with the cross pieces, connecting thein.- Fig. l6' is a perspective view of' onebf the supports constituting the socket.

Referring to the drawings, which` illus-v trate the preferred embodiment Aof my invention, 1 designates the table about the outer edge of which is arranged` anupstandingl ledge 2. Secured centrally to the underside of the table is a square plate 3 for a purpose to be hereinafter described.- The /table is supported by means of a stand 4, which comprises oppositely disposed 'corresponding sections 5. Each section 5 comprises a pair of outwardly and oppositely inclined legs v6', which terminate in feet 7 provided with apertures 8, tl-iroughwhich are, passed vscrews 81 adapted to enter registering apertures in plates 9,wliich are set in flush with the ioor on .which the table is supported, tovsecure the feet. Each le@ 6 of each section 5, at its upper end, is deected angularly and .extendedv Patented Jan. 16,1912.

Application inea March 2o, 1911. serial No. 615,618.

upwardly and inwardly toward each other to form arms 10. y The arms 10 of'each sec tion 5 support a. semi-circular support 11 below the middle of the support. At each end of each semi-circular support 11 is a lug or projection 13, which is provided with a #centrally located aperture 14. As illustrated, the semi-circular supports 11 are adapted to be secured together by bolts 15 pasisng through the registering apertures 14C in the lugs 13 to form a circular socketor bearing 16 having an internal continuous circular groove 12 formed by the meeting of the ends of the grooves 12. In order to brace and firmly hold 'the sections 5 together, a band` 17 is riveted or otherwise Asuitably secured to thearms 6 near theirV upper ends. In the circular groove 12a in the socket or bearing 16 are positioned a plurality of balls 18, and positioned in' the socket and adapted to bear on the balls 18 is a large ball 19 axially lof which, from the topand bottom thereof, is lrespectively a short upstanding 4rod 2().and a relatively long depending rod 21. 'Atthe lower end of the depending rod is a large, heavy ball 21a, which serves as a y weight to keep the rod 21 vertical and thereby maintain the table and chairs level no matter 'what the inclination of the floor above which they are supported may be. The upper' end of the rod 20 is provided with four outwardly and .upwardly extending arms 22, which are angularly disposed with respect toeach other and which terminate 'in feet 23, which are suitably secured to the plate 3 to support the table 1.

Positioned between the ball 19 and t-he outwardly extending arms 22 is a preferably `integral circular collar ory flange 24. Sc- 4 cured to the collar 24;, at equidistant points, are the' inner ends of a "plurality of out- 'l wardly-extending bea1ns,each designated 25, which arespaced Vfrom the underside of the table. In order to further support the beams 25 a bolt or hanger 26 is passed through an aperture in each beam, and is threaded intoathreaded aperture 27 in the plate 3, 'as shown. The apertures 27 are arranged Wone in each cornerfo'f' the plate 3 and equidistant between said corners. The beams 25 are eachextended horizontally with vrespect to t'lietableuntil they reach a4 point near the outer edge of the table where they which provided with a horizontally ar. ranged groove 12 which is preferably located are curved downwardly to form U-shaped,

portions 27. The end of each U-shaped portion. 27 terminates in four outwardly and upwardly-extendingarms 28, which are angularly disposed withv relation .to each other. and provided with iingers 29 which are secured to andrsupport a chair 30. In front of each chair 30, in the U-shaped portion v27 is a cross-piece 31, which is attached centrally of itsmlength to the beam and at' that particular beam, while the other end of said brace is connected to the beam in .front of the U-shaped portion 27 thereof. Each beam 25' is further strengthened by a diagonal brace 34, which is connected at one end to the under side of the beam, just in front of the U-shaped portion 2T, and at its other end in front of the cross piece 31.` Between. and intermediate the ends ofeach `pair of beams 25 are transverse bars 35, the

opposite ends of which transverse bars are connected to said beams and serve t'o maintain the beams in their relative angular positions.

What I claim is:

1. In an apparatus of the kind described, a vertical frame having a socket in its top, a rocking ball mountedin said socket, a stem depending from saidball, a weight on the lower lend of said stem, an oscillating table Y top mounted on said rocking ball, arms seing adepending stem, a Weight on the lower end of said stem, a framework centrally mounted on said oscillating ball and having arms branching therefrom, each of said arms bein'gpf a bow shape at itsouter end and havingva foot rest, a chair on the outer end of each of said arms, and an oscillating table top mounted on said framework.

3. In an apparatus of the class described, a table, means for maintaining said table level, `a collar carried by said means for maintaining said table level, la chair supporting beam spaced below the bottom of said table and connected atene end to said collar, a chair carried by said chair supporting beam, and a hanger adapted to support said chair-supporting beam in its spaced p0` sition.

4C. In an apparatus of the class described, a table, meansv for maintaining said table level, angularly disposed chair supporting beams supported below ysaid table, chairs carried by said chair supporting beams, and spacing members connected to said chairsupporting beams and adapted to maintam them in their relative angularly-disposed positions.

In testimony whereof I hereunto affix my signature in presence of two witnesses.

-. JACOB I-I. JACOB.

V'itnesses:

NATHAN ALBRECHT, J. J. FIRTH. 

